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Mathematics
Problem
A particle has displacement
s
(
t
)
=
3
t
2
+
2
t
+
1
s(t)=3t^{2}+2t+1
s
(
t
)
=
3
t
2
+
2
t
+
1
metres at time
t
t
t
seconds. Find its acceleration when
t
=
2
t=2
t
=
2
s.
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